21793740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9817}}^1$

素因数の和:9866

約数の個数: 48

約数和(自身を含む): 62678112

約数和(自身を除く): 40884372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9817, 19634, 29451, 39268, 49085, 58902, 98170, 117804, 147255, 196340, 294510, 363229, 589020, 726458, 1089687, 1452916, 1816145, 2179374, 3632290, 4358748, 5448435, 7264580, 10896870, 21793740]

約数ペア:

[(1, 21793740), (2, 10896870), (3, 7264580), (4, 5448435), (5, 4358748), (6, 3632290), (10, 2179374), (12, 1816145), (15, 1452916), (20, 1089687), (30, 726458), (37, 589020), (60, 363229), (74, 294510), (111, 196340), (148, 147255), (185, 117804), (222, 98170), (370, 58902), (444, 49085), (555, 39268), (740, 29451), (1110, 19634), (2220, 9817)]